Author Topic: two questions  (Read 11383 times)

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Ratbird

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Re: two questions
« Reply #15 on: November 11, 2014, 07:58:49 PM »
This is a little late, but here's a link to my online pictures with a short video of what my detroit locker sounds like.
https://plus.google.com/photos/101492851059660555641/albums/6080598926397531985?banner=pwa

thx again everyone.

Dave J
1959 T-bird - rat kind of a thing
FE 410ci bored .030 over, 4 sp toploader
pure fun

fe66comet

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Re: two questions
« Reply #16 on: November 12, 2014, 09:44:33 PM »
I have run the Edelbrock EPS 800 on a few engines from 350 cubes to 455 and never had to do squat to make it run right. I think it is the fact that it is a vacuum secondary carb and only takes what it needs. The Edelbrocks are very forgiving carbs and just run well out of the box.

Ratbird

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Re: two questions
« Reply #17 on: November 13, 2014, 09:57:52 AM »
Yeah, I agree. My carb is really easy to work with. As a rookie I especially like that I can call Edelbrock and talk to a tech right away.

I live at 6800 feet so I wanted to try some different settings etc. They were very helpful.

Dave
1959 T-bird - rat kind of a thing
FE 410ci bored .030 over, 4 sp toploader
pure fun

fe66comet

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Re: two questions
« Reply #18 on: November 14, 2014, 03:11:12 PM »
A big consideration is also the head gasket used, the bore and thickness drastically affects compression so it is a trial and error thing as to how much timing you can get away with. I usually tune by ear and go with as much advance as I can without ping, I takes a while to get it just right but that is how I find my sweet spot.

Ratbird

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Re: two questions
« Reply #19 on: November 17, 2014, 12:23:40 PM »
Thx again everyone.
So I made it to the drags Saturday in Albuquerque. Only got 4 runs in though - it got super crowded toward the end of the day and I needed to tow the car 90 miles home so I didn't stick around.

The first run I stayed out of the water burnout puddle. It ran the best time, 14.36 at 99mph. I think my 60 foot time was 2.26. I was really happy with that because in the spring my fastest time was 15.1. Plus I had forgotten to lower my tire pressure and I spun a little too much.

The second run I rolled through the water and then did a burnout. At the start my tires spun like crazy and didn't hook up. Got a MAJOR axle wrap as it started to grab so I let off the pedal. I didn't want to break the perches where we just welded the trac bars on. Man was it violent! Passenger visor flipped down and the glove box popped open - stuff was flying everywhere. (I had to laugh)

Then I ran into an old friend (Benito Jacquez) who is a life long dragster man. He told me with the tread tires you want to stay out of the water. Water gets trapped in the tread and screws up the traction.

The 3rd run I paid more attention to feel than to shifting at rpm's, and I noticed I wasn't pulling very much after 4700 rpm. It also missed a little and ran a 14.9.

The last run I shifted by feel at about 4500 rpm and ran a 14.5. My start was slow, about 2.6 at 60 feet. A guy was telling me that my setup is probably better in the lower torque range rpm's. I think he's right, but it'll take a lot more practice runs. I moved the timing around a tad each run, but it didn't seem to make any difference. But it felt best at 14 degrees.

Anyway, I think a good driver could get a 14.1 out of it. Thus, I will keep practicing. 14.3 at a mile high is about a 13.3 at sea level. I'm happy with that from a 3800 pound 4 speed car. It was a blast and there were some really nice cars out there.

So really, a few of you who in other links told me you thought my set up could do anywhere from 12.5 to 13.5 were pretty close. Just have to factor in a full second for altitude.

Thx again to everyone!   
1959 T-bird - rat kind of a thing
FE 410ci bored .030 over, 4 sp toploader
pure fun

fairlaniac

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Re: two questions
« Reply #20 on: November 18, 2014, 07:07:03 AM »
On the locker noise. I have a G-Force NASCAR locker and to my benefit, Leonard Long the owner of G-Force & Long Shifters is a member of a local car club and I've gotten to know him over the recent years. He told me to tame the noise is to add about 16 OZ of Lucas Oil Stabilizer with my gear oil. It's quieter and still works like a charm.
Doug Bender
1966 Fairlane 427+/5 Spd TKX
1978 F150 2WD 390

Ratbird

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Re: two questions
« Reply #21 on: November 19, 2014, 06:14:10 PM »
Thx Doug, good to know.

Dave
1959 T-bird - rat kind of a thing
FE 410ci bored .030 over, 4 sp toploader
pure fun